基于GIS技术的黑龙江典型土壤有效土层厚度调查研究-水土保持研究.PDF

12 6 . 12 . 6 Vol No 2005 12 Research of Soil and Water Conservation Dec. , 2005 GIS 解运杰, 刘凤飞, 白建宏, 孙雪文 ( , 150 00) : , , , GIS , , : ; ; : S 152. 2; S127:A : 1005-3 09(2005) 06-0251-03 Investigations on Typical Effective Thickness of Soil Layer of Heilongjiang Province Based on GIS Technology XIE Yun-jie, LIU Feng-fei, BAI Jian-hong, SUN Xue-w en (Sc ient if ic R esearch I nst it ute of S oil and W ater Cons er v at ion of H e ilongj iang P r ov ince, B in County , H ar bin 150 00, Ch ina) Abstract: The thickness of black soil layer of t he Northeastern model has been the social concern that a great deal of ecologists have generally paid close attention t o all the time, under the technological frame by Ministry of Wat er Resources Study on current situation and potential danger degree of soil erosion in Northeastern black eart h district , t he assessment database of the typical thickness of soil layer in Heilongjiang Province w as set up based on GIS, through the method of factors classificat ion of soil layer thickness, the indexes of thickness of provincial t ypical soil layer in sites were analyzed , . systematically in the hope of offering scientific basis for studying relevant field : ; ; Key ords Heilongjiang Province typical soil effective thickness of soil layer , ( ) , GPS 1 , , 2. 1 , , ( 1) , , , , , ,